Questions and Answers about Solar Cell Processing Technology Publication time: 2010 edition series: Introduction to Battery Materials and Applications Series This book lists the technical and theoretical issues that should be known and understood by personnel of solar photovoltaic cell manufacturing enterprises. In answering the questions, the editor not only compiles based on many years of practical experience, but also refers to the latest information at home and abroad, both operating practices and basic theories; strive to explain in simple terms, easy to understand. The main contents of the book are as follows: basic knowledge about energy and solar energy; basic knowledge of semiconductors; solar photovoltaic cells and their production processes; basic knowledge about silicon materials; silane, trichlorosilane, dichlorodihydrosilane, and tetrachloride Production of silicon; preparation of polycrystalline silicon; preparation of single crystal silicon; properties and manufacturing of other materials; knowledge about electricity and electrical equipment; issues related to environmental protection and energy saving; safety production, accident prevention and treatment; Improvement and Prospect of Photovoltaic Cell Production Process. This book is suitable for solar energy production enterprise workers, technicians and managers, but also suitable for energy material researchers and teachers and students of colleges and universities.
Chapter 1 Basics of Energy and Solar Energy 1.1 What is energy? How many kinds of energy are there?
1.2 What is the relationship between energy and social economy?
1.3 What is the relationship between energy and population?
1.4 What is the relationship between energy and the environment?
1.5 What is 3E? What is the contradiction between 3E?
1.6 What is the way out for energy issues?
1.7 What are the necessary conditions for new energy in the 21st century?
1.8 What is solar energy?
1.9 What is the structure of the sun? How many solar resources are there?
1.10 How much solar energy does it reach the earth?
1.11 What is light? What is radiation spectrum?
1.12 What is the intensity of sunlight? What is the amount of sunshine?
1.13 What is the solar constant? What is the solar constant?
1.14 What is the law of solar radiation? Which regions of our country have large solar radiation?
1.15 How many ways can solar energy be converted? There are several ways of solar power generation?
Chapter 2 Semiconductor Basics 2.1 What is a semiconductor? What are the unique properties of semiconductors?
2.2 What are the types of semiconductor materials?
2.3 What is resistivity? What is conductivity?
2.4 What is the difference between a semiconductor and a (metal) conductor?
2.5 Why is a semiconductor less conductive than a conductor?
2.6 What is the role of impurities in semiconductors?
2.7 What is purity?
2.8 What is 3N? What is ppb?
2.9 Why use boron content to indicate purity? Why use resistivity to determine purity?
2.10 What are the two types of impurities in semiconductors? What are the effects of electrically neutral impurities on semiconductors?
2.11 Where do impurities occupy in the semiconductor lattice?
2.12 What is a carrier? What is a positively charged carrier?
2.13 What is the carrier concentration?
2.14 What is the carrier mobility?
2.15 What is carrier recombination? What is equilibrium? What is life?
2.16 What is the majority carrier? What are minority carriers?
2.17 What is a P-type semiconductor? What is an N-type semiconductor?
2.18 What is a PN junction? How is a PN junction formed?
2.19 What happens when P-type and N-type semiconductors exist independently? What happens after the PN junction is formed?
2.20 What is the unidirectional conductivity of a PN junction?
2.21 What is the Photovoltaic Effect?
2.22 What is drift current? What is diffusion current?
2.23 What is a PIN knot?
2.24 How does a semiconductor conduct electricity?
2.25 What is an intrinsic semiconductor? What is an impurity semiconductor?
2.26 What is a positive ion? What are negative ions?
2.27 What is an electronic cloud? What is free electron?
2.28 What is a covalent bond? What is void?
2.29 What is energy level? What is band?
2.30 What is forbidden band? What are valence, conduction and full bands?
2.31 Why is it that electrons cannot conduct electricity in a full band? Why are electrons conductive in the conduction band?
2.32 What is the difference between conductors, semiconductors and insulators?
2.33 What is a shallow level impurity? What are deep level impurities?
2.34 What is the Segregation Coefficient?
2.35 What is the segregation purification method?
2.36 What is a crystal defect? What is a dislocation?
2.37 What is a unit cell? What are the various crystal systems and lattices?
2.38 What is the Hall effect?
Chapter 3 Solar Photovoltaic Cells and Their Production Processes Chapter 4 Basic Knowledge of Silicon Materials Chapter 5 Production of Silane, Trichlorosilane, Dichlorodihydrogen and Silicon Tetrachloride The preparation of monocrystalline silicon Chapter 8 is about the properties and manufacturing of other materials Chapter 9 is about the knowledge of electricity and electrical equipment Chapter 10 is about environmental protection and energy saving issues Chapter 11 is about production safety, accident prevention and treatment Improvement and Prospect of Silicon Solar Photovoltaic Cell Production Process